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From "Navis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-784) Support uncorrelated subqueries in the WHERE clause
Date Thu, 11 Jul 2013 08:09:49 GMT

    [ https://issues.apache.org/jira/browse/HIVE-784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13705581#comment-13705581
] 

Navis commented on HIVE-784:
----------------------------

Added some comments
                
> Support uncorrelated subqueries in the WHERE clause
> ---------------------------------------------------
>
>                 Key: HIVE-784
>                 URL: https://issues.apache.org/jira/browse/HIVE-784
>             Project: Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Ning Zhang
>            Assignee: Matthew Weaver
>         Attachments: HIVE-784.1.patch.txt
>
>
> Hive currently only support views in the FROM-clause, some Facebook use cases suggest
that Hive should support subqueries such as those connected by IN/EXISTS in the WHERE-clause.


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